From: 张晴 <zhangqing@rock-chips.com>
Date: Tue, 8 Apr 2014 01:24:48 +0000 (+0800)
Subject: rk3288:rk808:disable dcdc uv function
X-Git-Tag: firefly_0821_release~5611
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=519dd69f1cf11c9cd229b55fd5fe1ffffa1c0ef0;p=firefly-linux-kernel-4.4.55.git

rk3288:rk808:disable dcdc uv function
---

diff --git a/drivers/mfd/rk808.c b/drivers/mfd/rk808.c
index f5f2c2e45d6e..b3547f8f7a5c 100755
--- a/drivers/mfd/rk808.c
+++ b/drivers/mfd/rk808.c
@@ -1183,6 +1183,13 @@ static int rk808_pre_init(struct rk808 *rk808)
 {
 	int ret,val;
 	 printk("%s,line=%d\n", __func__,__LINE__);
+	 /**********disable dcdc uv func****************/
+        ret = rk808_reg_write(rk808,RK808_DCDC_UV_ACT_REG,0x10);
+         if (ret <0) {
+                printk(KERN_ERR "Unable to write RK808_DCDC_UV_ACT_REG reg\n");
+                return ret;
+        }
+	/**********************************/
 	 /***********set ILIM ************/
 	val = rk808_reg_read(rk808,RK808_BUCK3_CONFIG_REG);
 	val &= (~(0x7 <<0));